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What's the best way to get the last element of an array without deleting it?

...lt;<option code>>s and <<input code>>s will be run on all versions of PHP. For each test run the following code snippet is used: <<input code>> error_reporting(E_ALL); <<option code>> error_reporting(0); $before=microtime(TRUE); for($i=0;$i<100;$i+...
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Better way of incrementing build number?

... template of Xcode? The reason I ask this is that Project-Info.plist normally is under version control, and modifying it means that it will be marked as, well, modified. If that is fine with you, then the following snippet will update the build number and mark the file as modified in the process...
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Difference between Control Template and DataTemplate in WPF

... Typically a control is rendered for its own sake, and doesn't reflect underlying data. For example, a Button wouldn't be bound to a business object - it's there purely so it can be clicked on. A ContentControl or ListBox, however,...
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Are HTTPS headers encrypted?

... The whole lot is encrypted† - all the headers. That's why SSL on vhosts doesn't work too well - you need a dedicated IP address because the Host header is encrypted. †The Server Name Identification (SNI) standard means that the hostname may not be encr...
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Detect Chrome extension first run / update

...versions of Chrome (since Chrome 22), you can use the chrome.runtime.onInstalled event, which is much cleaner. Example: // Check whether new version is installed chrome.runtime.onInstalled.addListener(function(details){ if(details.reason == "install"){ console.log("This is a first inst...
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How can I determine the direction of a jQuery scroll event?

... An update on this: Be careful that some browsers, specially IE 11 on Windows 8, can fire a scroll event subpixel-based (smooth scrolling). But because it reports scrollTop as an integer, your previous scroll value could be the same as the current one. – Rena...
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RAW POST using cURL in PHP

... I cannot get this to work at all. I have a page that I am trying to post raw data to. That page records all raw data it receives into a database table. There are no new rows at all. Do you know if anything has changed here since '09? ...
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In MySQL queries, why use join instead of where?

...le about using strict typing whenever possible. Explicit is almost universally better. Conclusion Short of familiarity and/or comfort, I don't see any benefit to continuing to use the ANSI-89 WHERE clause instead of the ANSI-92 JOIN syntax. Some might complain that ANSI-92 syntax is more verb...
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IE7 Z-Index Layering Issues

...ex bug, but don't know how to fix it. I have been playing with z-index all day long. 11 Answers ...
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How to zero pad a sequence of integers in bash so that all have the same width?

...uce the following output: 00010 00011 00012 00013 00014 00015 More generally, bash has printf as a built-in so you can pad output with zeroes as follows: $ i=99 $ printf "%05d\n" $i 00099 You can use the -v flag to store the output in another variable: $ i=99 $ printf -v j "%05d" $i $ echo $j...